The reason to preserve wilderness is that we need it. We need wilderness of all kinds, large and small, public and private. Wee need to go now and again into places where our work is disallowed, where our hopes and plans have no standing. We need to come into the presence of the unqualified and mysterious formality of Creation.

It is no more possible to live in the future than it is to live in the past. If life is not now, it is never.

The answers to the human problems of ecology are to be found in economy. And the answers to the problems of economy are to be found in culture and character. To fail to see this is to go on dividing the world falsely between guilty producers and innocent consumers.

The cloud is free only to go with the wind. The rain is free only in falling.

Soil is not usually lost in slabs or heaps of magnificent tonnage. It is lost a little at a time over millions of acres by the careless acts of millions of people. It cannot be saved by heroic feats of gigantic technology, but only by millions of small acts and restraints, conditioned by small fidelities, skills, and desires. Soil loss is ultimately a cultural problem; it will be corrected only by cultural solutions.

The earth is what we all have in common.

The only true and effective "operator's manual for spaceship earth" is not a book that any human will ever write; it is hundreds of thousands of local cultures.